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Lee de Forest was an American inventor with over 180 patents to his credit. He named himself the "Father of Radio," with this famous quote, "I discovered an Invisible Empire of the Air, intangible, yet solid as granite,".
In 1906 De Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make it stronger. The Audion, and vacuum tubes developed from it, founded the field of electronics and dominated it for 40 years, making radio broadcasting, television, and long-distance telephone service possible, among many other applications. For this reason De Forest has been called one of the fathers of the "electronic age". He is also credited with one of the principal inventions that brought sound to motion pictures.
He was involved in several patent lawsuits, and spent a substantial part of his income from his inventions on legal bills. He had four marriages and 25 companies. He was indicted for mail fraud, but later was acquitted.
De Forest was a charter member of the Institute of Radio Engineers. DeVry University was originally named DeForest Training School by its founder Dr. Herman A. DeVry, who was a friend and colleague of De Forest.
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